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anonymous

  • one year ago

A triangle can be formed with side lengths 4 in, 5 in, and 8 in. True False

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  1. anonymous
    • one year ago
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    @Michele_Laino

  2. anonymous
    • one year ago
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    add the smaller numbers together, and if it is bigger than the bigger number, than it is a triangle

  3. anonymous
    • one year ago
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    Use the Triangle Inequality Theorem

  4. anonymous
    • one year ago
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    if you don't know what it is, here is a website that shows you what it is: http://hotmath.com/hotmath_help/topics/triangle-inequality-theorem.html

  5. Michele_Laino
    • one year ago
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    I think that it is true

  6. anonymous
    • one year ago
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    so find the sum of 4+5

  7. anonymous
    • one year ago
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    and if 4+5 is greater than 8, it is true, if not, it is false

  8. anonymous
    • one year ago
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    yea 4+5=9 so its true!

  9. anonymous
    • one year ago
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    You are correct!

  10. anonymous
    • one year ago
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    can i ask you one more question please

  11. anonymous
    • one year ago
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    sure

  12. anonymous
    • one year ago
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    How many triangles can be made if one angle is 95° and another angle is acute? 1 2 More than 2 None

  13. anonymous
    • one year ago
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    okay, so an acute angle is an angle less than 90 degrees

  14. anonymous
    • one year ago
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    ok

  15. anonymous
    • one year ago
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    and a triangle can be made with 3 angles added up to 180 degrees, right?

  16. anonymous
    • one year ago
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    yea

  17. anonymous
    • one year ago
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    so what do you think the answer is

  18. anonymous
    • one year ago
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    more than 2

  19. anonymous
    • one year ago
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    correct, i think

  20. anonymous
    • one year ago
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    I am not 100% sure though, but I still think you are correct

  21. anonymous
    • one year ago
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    ok lets hope for the best! :)

  22. anonymous
    • one year ago
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    okay, bye

  23. Michele_Laino
    • one year ago
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    here is my reasoning: we have another 85 degrees which have to be subsdivided in 2 angles, now being 85 < 90, then each of those of two angles also is less than 90 degrees

  24. anonymous
    • one year ago
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    so what do you think it is?

  25. Michele_Laino
    • one year ago
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    I think it is more than 2 triangles, since we have these subsequent triangles: 95, 40, 45 95, 50, 35 95, 55, 30

  26. anonymous
    • one year ago
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    ok thanks :)

  27. anonymous
    • one year ago
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    I agree with @Michele_Laino

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